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A 2018 Summer of Extremes

From deluge to wildfires, summer 2018 was one of extremes in the U.S.

Breathing Fire: All This Smoke Means Smaller Newborns And More ER Visits

People with lung conditions are more likely to refill prescriptions and be hospitalized during smoke waves, and when pregnant mothers are expo…

Breathing Fire: Wildfire Smoke Forcing Idahoans Indoors

Idahoans are being affected by pollution from worsening wildfires linked to the weather, climate change and forest management policies. The sm…

Breathing Fire: California’s Central Valley Bears the Brunt of Wildfire Smoke

Worsening wildfires linked to the weather, climate change and forest management policies are causing unprecedented smoke pollution across the…

Wildfire Smoke Health Risks

Even small concentrations of smoke pollution from wildfires can be harmful to human health.

Smoke Wave Days in the Western U.S.

Smoke pollution from wildfires threatens the advancements the U.S. has made in cleaning its air.

Air Pollution Progress Still Undermined by Western Wildfires

Smoke pollution is leading to serious public health impacts as large wildfires across the American West become more frequent and destructive.…

West Nile Crippling El Pasoans, Rising Temperatures Play Role

Most U.S. cities have experienced an increase in the average number of mosquito disease danger days each year. El Paso's increase was larger t…

Mosquito Disease Danger Days

The number of days a year that mosquitoes can transmit disease is increasing in much of the U.S. 

U.S. Faces a Rise in Mosquito ‘Disease Danger Days’

Climate change is causing a change in location of disease-carrying mosquitoes as the world warms, likely leading to a significant public healt…

Longer Heat Streaks

The number of consecutive hot summer days, or heat streaks, is increasing in much of the U.S.

Extremely Hot Days on the Rise

The number of extremely hot summer days is increasing in much of the U.S., and with it, the risk of heat-related illness.

Air Conditioning Costs Rise With Arizona’s Heat

Air conditioning is becoming more vital as temperatures rise, pushing up utility bills and putting comfortable levels of cooling out of the re…

Report: The High Cost of Hot

As additional carbon pollution continues to trap more and more heat in the atmosphere, the higher temperatures that result can come with a hef…

Cooling Demand is Increasing in the U.S.

Summers are getting hotter and this is coming with a cost — cooling demand.

Summer Days Are Getting Hotter

Summer is the season with the most obvious climate change impact — extreme heat.

Weather Extremes: Heat Waves

Heat waves cause more than just sweat — they can be deadly.

Growing Season Growth: Additional Frost Free Days

Longer frost-free seasons mean longer allergy seasons, a trend impacting all regions of the country.

Here’s How Frost-Free Season Affects Allergy Season

Climate change is affecting the frost-free season in these cities, which also affects the allergy season.

The 10 Most Important U.S. Climate Stories in 2017

Following a year of weather extremes, disasters and policy clashes, we asked our readers to help us pick out the most important climate storie…